Home / 545,146.20-816,164.10-482,938.20

Finding the Fourth Proportional to 545,146.20, 816,164.10 and 482,938.20

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Solution

The fourth proportional to 545,146.20, 816,164.10 and 482,938.20 is: 723,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,146.20 : 816,164.10 = 482,938.20 : x
  2. Step 2: Convert to fraction form
    545,146.20/816,164.10 = 482,938.20/x
  3. Step 3: Cross multiply
    545,146.20x = 816,164.10 × 482,938.20
  4. Step 4: Simplify right side
    545,146.20x = 394,156,821,358.62
  5. Step 5: Solve for x
    x = 394,156,821,358.62/545,146.20
  6. Step 6: Final answer
    x = 723,029.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.